Yamaha YZF-R125 Service Manual: Disassembling the front fork legs
The following procedure applies to both of the front fork legs.
1. Remove:
- Rubber cap
- Clip "1"
- Front fork cap "2" (with O-ring)
- Fork spring
NOTE:
Push the front fork cap in the direction of the arrow shown in the illustration to remove the clip.
2. Drain:
- Fork oil
NOTE:
Stroke the inner tube several times while draining the fork oil.
3. Remove:
- Dust seal "1"
- Oil seal clip "2" (with a flat-head screwdriver)
| CAUTION: Do not scratch the inner tube.
|
4. Remove:
- Damper rod bolt "1"
- Damper rod
NOTE:
While holding the damper rod with the damper
rod holder "2" and T-handle "3", loosen the
damper rod bolt. 
Removing the front fork legs
The following procedure applies to both of the
front fork legs.
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle so that there
is
no danger of ...
Checking the front fork legs
The following procedure applies to both of the
front fork legs.
1. Check:
Inner tube
Outer tube
Bends/damage/scratches
Replace.
WARNINGDo not attempt to straighten a bent inner ...
Other materials:
Starting failures
Engine
1. Cylinder and cylinder head
- Loose spark plug
- Loose cylinder head or cylinder
- Damaged cylinder head gasket
- Damaged cylinder gasket
- Worn or damaged cylinder
- Incorrect valve clearance
- Improperly sealed valve
- Incorrect valve-to-valve-seat contact
- Incorrect valve timi ...
Multi-function display
1. Multi-function display
2. "RESET/SELECT" button
The multi-function display is equipped with the
following:
a speedometer (which shows the riding speed)
an odometer (which shows the total distance
traveled)
two tripmeters (which show the distance traveled
since they were last ...
Changing the coolant
1. Remove:
Lower side cowlings
Refer to "GENERAL CHASSIS" on page 4-1.
2. Remove:
Radiator cap "1"
WARNINGA hot radiator is under pressure.
Therefore,
do not remove the radiator cap when the engine
is hot. Scalding hot fluid and steam may
be blown out, which c ...